Lucas Scharenbroich
d31bd30649
Implement full per-scanline offset support for BG1
2023-03-11 03:41:12 -06:00
Lucas Scharenbroich
e3409f92fa
Add per-scanline offset rendering.
2023-03-09 15:29:58 -06:00
Lucas Scharenbroich
a70412211c
Simplify and specialize the even/odd patching
...
Allows the odd case to be slightly more efficient and the
code is cleaned up by not having to handle both even and odd
alignment cases at multiple points.
2023-03-08 12:49:45 -06:00
Lucas Scharenbroich
536959619f
Refine the horizontal dispatch
...
Find small optimizations to improve the average performance of the
blitter, especially in the odd-aligned case.
- Odd-aligned PEA exit is 2 cycles faster per line
- Odd-aligned JMP exit is 2 cycles faster per line
- Odd-aligned LDA exit is 6 cycles faster (eliminated long store)
- Merged setting the entry opcode and offset to convert 2 8-bit
store into a single 16-bit store (save 6 cycles per line)
- Load and save the full word for the high bytes. Cost 2 cycles
but enabled the 6 cycles saved for the LDA case.
2023-03-07 17:32:46 -06:00
Lucas Scharenbroich
5697737a93
Add workable overlay support to the scanline renderer
2023-03-06 14:39:23 -06:00
Lucas Scharenbroich
981182592e
Shadow based rendering working in demo-5
2023-02-27 15:30:56 -06:00
Lucas Scharenbroich
4b50fa8318
checkpoint
2023-01-02 11:04:26 -06:00
Lucas Scharenbroich
b8a7641307
Add in all linked list operations
2022-09-08 21:51:00 -05:00
Lucas Scharenbroich
e378dc6e26
Checkpoint with TF4 demo framework
2022-08-11 14:14:25 -05:00
Lucas Scharenbroich
5a0e0e447e
Change GTESetScreenMode to use bytes for the width
2022-07-26 00:21:22 -05:00
Lucas Scharenbroich
18da2546bd
Add horizontal scaling to the background rotation
2022-07-22 02:01:34 -05:00
Lucas Scharenbroich
6c531619f9
Merge branch 'fixup-rotations' into kfest-2022
2022-07-21 23:35:53 -05:00
Lucas Scharenbroich
23f3626293
Fix issues preventing BG1 per-line offsets from working
2022-07-16 16:42:41 -05:00
Lucas Scharenbroich
4506f808c9
Restore BG1 rotation code
2022-07-12 21:03:30 -05:00
Lucas Scharenbroich
a7dad98d50
Additional tweaks to get old sprite demo working
2022-06-27 11:24:04 -05:00
Lucas Scharenbroich
1f9c9b3f5b
Checkpoint of final tile proc reorg for generalize new infrastructure for different engine modes
2022-06-20 15:55:09 -05:00
Lucas Scharenbroich
2c409b02a7
Fix lookup tables to fix boundary rendering
2022-06-06 20:10:15 -05:00
Lucas Scharenbroich
b6202ca44c
Implement framework for adjusting VBuff tables to handle boundary transitions
2022-06-06 11:23:00 -05:00
Lucas Scharenbroich
e6251f05a3
Clean up constants and fix bad addressing mode
2022-06-02 13:06:26 -05:00
Lucas Scharenbroich
4f557230c6
Remove some dead code and streamline some addressing. Fix bug in dispatch macro
2022-06-02 12:28:49 -05:00
Lucas Scharenbroich
24ebb1f3af
Fix Tile Store lookup initialization bug
2022-06-01 21:12:54 -05:00
Lucas Scharenbroich
bba8929db7
PRoperly initialize Lookup tables
2022-05-31 13:01:09 -05:00
Lucas Scharenbroich
78d7dafe14
Another checkpoint; converging on the working implementation
2022-05-31 08:43:26 -05:00
Lucas Scharenbroich
7909113a97
Checkpoint
2022-05-26 19:36:40 -05:00
Lucas Scharenbroich
9da3616c1d
Start working to bring sprites rendering back into the pipeline
2022-05-22 23:54:47 -05:00
Lucas Scharenbroich
755ac3fbfd
Move most data storage to separate bank; fix many banking bugs
2022-05-18 21:00:06 -05:00
Lucas Scharenbroich
1f9f2aee0c
Thank to Kelvin Sherlock for pointing out that the source files were not setting the register state directive
2022-04-23 15:41:25 -05:00
Lucas Scharenbroich
9692277677
Work on fixing linker / OMF errors
2022-04-23 12:48:13 -05:00
Lucas Scharenbroich
e2710ace85
Refactor to support building a tool and new demo to try and use it [not working]
2022-04-23 00:47:13 -05:00
